The utility model discloses a fingerprint check-in device used in a field operation skill simulating training system. The fingerprint check-in device comprises a controller, a fingerprint sensor, digital camera, a voice reminder, a network interface and a power supply part. The fingerprint check-in device used in the field operation skill simulating training system provided by the utility model can be used for displaying and recording the dynamic condition of an examination room in real time and preventing examinees from cheating through the high-tech means so as to indirectly urge employees to reinforce learning practically for improving own skills, preclude the phenomena of speculation and fluke, and objectively reflect the skills mastered by each employee. With the improvement of the skills of the employees, the stability of the economical and reliable operation of a power grid can be improved.